I developed tinnitus this spring after I got covid. It sounds to me like a truck rumbling outside my house, or a household appliance malfunctioning. I wasted a lot of time trying to figure out what appliance was running before
I finally realized that the problem was in my ears. I lost my sense of smell, too. Both pretty annoying.
There is no reason for non-vegans to have a B12 deficiency, unless you subscribe to my methodology on the topic of general deficiency.
But since I’ve chosen to not engage on health matters at FR anymore, you’ll have to wait for the books.
Blame the health nazis here at FR.
And vegans be damned.